Speaker



FIG. 1 is a front perspective view of the speaker showing the new design;

FIG. 2 is a right perspective view of a speaker thereof, the left perspective view being a mirror image of the right perspective view;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevation view thereof; and,

FIG. 5 is a right elevation view thereof, the left elevation view being a mirror image of the right elevation view.

The broken lines shown are included for the purpose of illustrating portions of the speaker that form no part of the claim. 

CLAIM The ornamental design for a speaker, as shown and described. 